Staff IT Infrastructure & Security Support (On-Call)

Sunday; Jakarta Pusat; On-site; IDR 133,920,000 - 200,880,000; Full time

Job summary

Sunday in Jakarta is seeking a Staff IT Infrastructure and Support to monitor all infrastructure and security components, ensure system stability, and support end users with core applications and access control.

You will assist the IT Manager with security compliance, audits, backup/DR/BCP activities, and coordinate network maintenance, vendor SLAs, and incident responses while maintaining accurate asset records.

Qualifications

• Bachelor's degree in Computer Science or Information Technology.
• 3–5 years of experience in IT infrastructure.
• Strong knowledge of networking (TCP/IP, routing, switching, firewall, VPN, Wi‑Fi).
• Experience with network and security monitoring tools (PRTG, Zabbix, SIEM).
• Hands-on experience with network devices (Cisco, MikroTik, Fortinet, Sophos).
• Familiar with Windows Server, Active Directory, cloud infrastructure, and Google Workspace/Microsoft 365.
• Experience handling IT projects and end-user support.
• CCNA, MTCNA, or equivalent certification is a plus.
• Good problem-solving, communication, and teamwork skills.
• Willing to work on-call or outside office hours when required.
• Has experience in IT asset management.
• Insurance/financial services industry experience is a plus.

Responsibilities

• Perform daily monitoring of infrastructure and security components for stability and availability.
• Deliver end-user IT support including core applications and access management, and assist with security audits and compliance.
• Maintain network infrastructure (routers, switches, firewalls, VPN, Wi‑Fi) and document configurations.
• Execute IT projects assigned by Head of Department or IT Manager, ensuring timely delivery.
• Control IT asset check-in/check-out and maintain asset documentation.

Skills

Networking

Security monitoring

End-user support

Project execution

Asset management

Education

Bachelor's degree in Computer Science / Information Technology

Tools

PRTG

Zabbix

SIEM

Cisco

MikroTik

Fortinet

Sophos

Job description

Sunday in Jakarta is seeking a Staff IT Infrastructure and Support to monitor all infrastructure and security components, ensure system stability, and support end users with core applications and access control.

You will assist the IT Manager with security compliance, audits, backup/DR/BCP activities, and coordinate network maintenance, vendor SLAs, and incident responses while maintaining accurate asset records.